Short answer: the Harman Kardon Luna if sound quality matters most, the Tozo PA1 if price matters most. The Harman Kardon Luna ranks #24 of 150 medium speakers, rated 4.0/5, at $290.99. The Tozo PA1 ranks #57, rated 3.5/5, at $39.99, $251 cheaper.
What the Harman Kardon Luna does well: Harman Kardon Luna uses 48mm x 90mm woofer, 20mm tweeter. The tradeoff: Bass is limited by its 57Hz specification.
What the Tozo PA1 does well: Tozo PA1 uses 67mm fullrange. Watch for: Bass is limited by its 52Hz specification.
Buy the Harman Kardon Luna if sound quality matters more than the price. Buy the Tozo PA1 if the price matters more than sound quality.
There is a real battery-life gap here: the Tozo PA1 is rated for 25 hours, the Harman Kardon Luna only 12 hours.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Harman Kardon Luna | Tozo PA1 | |
|---|---|---|
| Price | $290.99 | $39.99 |
| Ranked | #24 of 150 in Medium Size Portable Bluetooth Speakers | #57 of 150 in Medium Size Portable Bluetooth Speakers |
| App | No | Yes |
| Aux Input | No | No |
| Bass Extension (-10dB) | 57Hz | 52Hz |
| Battery Life | 12 hours (Manufacturer specified) | 25 hours (Manufacturer specified) |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC, AAC |
| EQ | No | Yes |
| IP Rating | IP67 | IPX6 |
| MicroSD Playback | No | - |
| Power Input | USB-C | USB-C |
| Stereo | No | No |
| Omnidirectional | No | No |
| TWS | Yes | Yes |
| USB Playback | Yes | - |
| Weight | 2.5 lbs (1.13 kg) | 1.3 lbs (581 g) |
| Bluetooth Version | 5.3 | 5.0 |
| Dimensions | 8.3” x 3.1” x 3.1” (210 x 78 x 80 mm) | 8.3” x 3.6” x 2.4” (210 x 91 x 61 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter | 67mm fullrange |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) | 55Hz - 18kHz (Manufacturer specified) |
| Amplifier Power | 40W | 20W |
| Digital Aux Input | No | No |
| Bluetooth Latency | - | 220ms |
| Maximum SPL | - | 98dB (measured by Alan Ross Reviews) |
| Strap | - | Yes (lanyard) |
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Prices on this page were last checked September 30, 2026 at 2:57 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Harman Kardon Luna: $290.99 Amazon eBay
Newer model: the Harman Kardon Luna 2, ranked higher, rated 4.1/5.
Pros: Harman Kardon Luna uses 48mm x 90mm woofer, 20mm tweeter. Its 1.13 kg, claimed 12 hours (Manufacturer specified) battery life, IP67 protection and mono playback make it a practical option for its intended room or portable use. The sound is fairly balanced apart from the boosted bass. Measured bass extension of 57Hz (-10dB).
Cons: Bass is limited by its 57Hz specification. There is no companion app. No EQ adjustment. Boosted bass, and less detailed than higher-ranked speakers.
Full Harman Kardon Luna review and specifications →
| Amplifier Power | 40W |
|---|---|
| App | No |
| Aux Input | No |
| Bass Extension (-10dB) | 57Hz |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Digital Aux Input | No |
| Dimensions | 8.3” x 3.1” x 3.1” (210 x 78 x 80 mm) |
| Drivers | 48mm x 90mm woofer, 20mm tweeter |
| EQ | No |
| Frequency Response | 60Hz - 20kHz (Manufacturer specified) |
| IP Rating | IP67 |
| MicroSD Playback | No |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | No |
| TWS | Yes |
| USB Playback | Yes |
| Weight | 2.5 lbs (1.13 kg) |
- Links
- Reviews, Comparisons and Sound Samples
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Tozo PA1: $39.99 Amazon eBay
Pros: Tozo PA1 uses 67mm fullrange. Its 581 g, claimed 25 hours (Manufacturer specified) battery life, IPX6 protection, up to 98dB and mono playback make it a practical option for its intended room or portable use. Measured bass extension of 52Hz (-10dB).
Cons: Bass is limited by its 52Hz specification. There is no companion app. No EQ adjustment.
Full Tozo PA1 review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 52Hz |
| Battery Life | 25 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Bluetooth Latency | 220ms |
| Bluetooth Version | 5.0 |
| Digital Aux Input | No |
| Dimensions | 8.3” x 3.6” x 2.4” (210 x 91 x 61 mm) |
| Drivers | 67mm fullrange |
| EQ | Yes |
| Frequency Response | 55Hz - 18kHz (Manufacturer specified) |
| IP Rating | IPX6 |
| Maximum SPL | 98dB (measured by Alan Ross Reviews) |
| Omnidirectional | No |
| Power Input | USB-C |
| Stereo | No |
| Strap | Yes (lanyard) |
| TWS | Yes |
| Weight | 1.3 lbs (581 g) |
- Links
- Reviews, Comparisons and Sound Samples
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